/Engine/Plugins/Runtime/Metasound/Source/MetasoundStandardNodes/Public/MetasoundAudioFormats.h
The audio buffer is a shared data references which can be accessed outside of theFMonoAudioFormat.
class FMonoAudioFormat : public [Metasound::TStaticChannelAudioFormat< 1 >](API\Plugins\MetasoundStandardNodes\TStaticChannelAudioFormat)